Fix ResetIme not starting text input with properties

Author: frenzibyte

osu.Framework/Platform/SDL3/SDL3Window_Input.cs

@@ -187,12 +187,15 @@ private void pollMouse()
             }
         }
 
+        private SDL_PropertiesID? currentTextInputProperties;
+
         public virtual void StartTextInput(TextInputProperties properties) => ScheduleCommand(() =>
         {
-            var props = SDL_CreateProperties();
+            currentTextInputProperties ??= SDL_CreateProperties();
+
+            var props = currentTextInputProperties.Value;
             SDL_SetNumberProperty(props, SDL_PROP_TEXTINPUT_TYPE_NUMBER, (long)properties.Type.ToSDLTextInputType());
             SDL_StartTextInputWithProperties(SDLWindowHandle, props);
-            SDL_DestroyProperties(props);
         });
 
         public void StopTextInput() => ScheduleCommand(() => SDL_StopTextInput(SDLWindowHandle));
@@ -204,7 +207,11 @@ public virtual void StartTextInput(TextInputProperties properties) => ScheduleCo
         public virtual void ResetIme() => ScheduleCommand(() =>
         {
             SDL_StopTextInput(SDLWindowHandle);
-            SDL_StartTextInput(SDLWindowHandle);
+
+            if (currentTextInputProperties is SDL_PropertiesID props)
+                SDL_StartTextInputWithProperties(SDLWindowHandle, props);
+            else
+                SDL_StartTextInput(SDLWindowHandle);
         });
 
         public void SetTextInputRect(RectangleF rect) => ScheduleCommand(() =>